Muscular overuse and serum creatine phosphokinase (CPK).
D000293:Adolescent; D003402:Creatine Kinase / Q000097:blood*; D006801:Humans; D008297:Male; D009132:Muscles / Q000293:injuries*; D005082:Physical Exertion; D013312:Stress, Physiological
D003402:Creatine Kinase